Attached files

file filename
EXCEL - IDEA: XBRL DOCUMENT - CERUS CORPFinancial_Report.xls
EX-10.42 - 2008 EQUITY INCENTIVE PLAN, AS AMENDED - CERUS CORPdex1042.htm
10-Q/A - FORM 10-Q AMENDMENT NO. 1 - CERUS CORPd10qa.htm
EX-31.4 - CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER PURSUANT TO SECTION 302 - CERUS CORPdex314.htm

Exhibit 31.3

CERTIFICATION

I, William M. Greenman, certify that:

1. I have reviewed this Amendment No. 1 to the quarterly report on Form 10-Q/A of Cerus Corporation; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date: August 30, 2011     /s/    William M. Greenman
    William M. Greenman
    President and Chief Executive Officer
    (Principal Executive Officer)